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June 1, 2011 10:15 pm at 10:15 pm
#949514
am yisrael chai
Participant
43- is the smallest number that is the sum of 2, 3, 4, or 5 different primes in the following ways:
43 = 41 + 2
43 = 11 + 13 + 19
43 = 2 + 11 + 13 + 17
43 = 3 + 5 + 7 + 11 + 1